oj.uz

답안 #467369

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
467369 2021-08-22T18:22:29 Z fuad27 괄호 문자열 (CEOI16_match) C++17
100 / 100
 19 ms 12332 KB 
#include <bits/stdc++.h>
using namespace std;
char s[100010],ans[100010];
int op[100010][26];
void solve(int l, int r) {
	if(l > r) return;
	if(op[r][s[l]-'a'] <= l) { cout<<-1<<endl;; exit(0); }
	ans[l] = '(', ans[op[r][s[l]-'a']] = ')';
	solve(l+1, op[r][s[l]-'a']-1), solve(op[r][s[l]-'a']+1, r);
}
int main() {
	scanf("%s", s);
	int n = strlen(s);
	for(int i=0; i<n; i++) {
		for(int j=0; j<26; j++)
			if(j == s[i]-'a') op[i][j] = i;
			else if(i && op[i-1][s[i]-'a'] > 0) op[i][j] = op[op[i-1][s[i]-'a']-1][j];
			else op[i][j] = -1;
	}
	solve(0,n-1);
	cout<<ans;
	return 0;
}

Compilation message

match.cpp: In function 'int main()':
match.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  scanf("%s", s);
      |  ~~~~~^~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 304 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct

Subtask #3
63.0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1228 KB Output is correct
12 Correct 10 ms 7600 KB Output is correct
13 Correct 8 ms 8268 KB Output is correct
14 Correct 9 ms 9020 KB Output is correct
15 Correct 10 ms 10700 KB Output is correct
16 Correct 11 ms 10792 KB Output is correct
17 Correct 12 ms 11212 KB Output is correct
18 Correct 12 ms 10572 KB Output is correct
19 Correct 13 ms 11496 KB Output is correct
20 Correct 13 ms 7756 KB Output is correct
21 Correct 19 ms 12332 KB Output is correct